50Furthermore, the expressions ‘main subject-matter of the contract’ and ‘the adequacy of the price and remuneration on the one hand, as against the services or goods supplied, on the other’ must normally be given an autonomous and uniform interpretation throughout the European Union, which must take into account the context of that provision and the purpose of the legislation in question (Kásler and Káslerné Rábai, EU:C:2014:282, paragraphs 37 and 38).
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